lib/Driver/ToolChains/Arch/ARM.h

//===--- ARM.h - ARM-specific (not AArch64) Tool Helpers --------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_ARM_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_ARM_H

#include "clang/Driver/ToolChain.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/Option.h"
#include "llvm/TargetParser/ARMTargetParser.h"
#include "llvm/TargetParser/Triple.h"
#include <string>
#include <vector>

namespace clang {
namespace driver {
namespace tools {
namespace arm {

std::string getARMTargetCPU(StringRef CPU, llvm::StringRef Arch,
                            const llvm::Triple &Triple);
std::string getARMArch(llvm::StringRef Arch, const llvm::Triple &Triple);
StringRef getARMCPUForMArch(llvm::StringRef Arch, const llvm::Triple &Triple);
llvm::ARM::ArchKind getLLVMArchKindForARM(StringRef CPU, StringRef Arch,
                                          const llvm::Triple &Triple);
StringRef getLLVMArchSuffixForARM(llvm::StringRef CPU, llvm::StringRef Arch,
                                  const llvm::Triple &Triple);

void appendBE8LinkFlag(const llvm::opt::ArgList &Args,
                       llvm::opt::ArgStringList &CmdArgs,
                       const llvm::Triple &Triple);
enum class ReadTPMode {
  Invalid,
  Soft,
  TPIDRURW,
  TPIDRURO,
  TPIDRPRW,
};

enum class FloatABI {
  Invalid,
  Soft,
  SoftFP,
  Hard,
};

FloatABI getDefaultFloatABI(const llvm::Triple &Triple);
FloatABI getARMFloatABI(const ToolChain &TC, const llvm::opt::ArgList &Args);
FloatABI getARMFloatABI(const Driver &D, const llvm::Triple &Triple,
                        const llvm::opt::ArgList &Args);
void setFloatABIInTriple(const Driver &D, const llvm::opt::ArgList &Args,
                         llvm::Triple &triple);
bool isHardTPSupported(const llvm::Triple &Triple);
ReadTPMode getReadTPMode(const Driver &D, const llvm::opt::ArgList &Args,
                         const llvm::Triple &Triple, bool ForAS);
void setArchNameInTriple(const Driver &D, const llvm::opt::ArgList &Args,
                         types::ID InputType, llvm::Triple &Triple);

bool useAAPCSForMachO(const llvm::Triple &T);
void getARMArchCPUFromArgs(const llvm::opt::ArgList &Args,
                           llvm::StringRef &Arch, llvm::StringRef &CPU,
                           bool FromAs = false);
llvm::ARM::FPUKind getARMTargetFeatures(const Driver &D,
                                        const llvm::Triple &Triple,
                                        const llvm::opt::ArgList &Args,
                                        std::vector<llvm::StringRef> &Features,
                                        bool ForAS, bool ForMultilib = false);
int getARMSubArchVersionNumber(const llvm::Triple &Triple);
bool isARMMProfile(const llvm::Triple &Triple);
bool isARMAProfile(const llvm::Triple &Triple);
bool isARMBigEndian(const llvm::Triple &Triple, const llvm::opt::ArgList &Args);

} // end namespace arm
} // end namespace tools
} // end namespace driver
} // end namespace clang

#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_ARM_H